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Showing 1–13 of 13 results
Advanced filters: Author: Thomas Nesme Clear advanced filters

  • Agricultural trade challenges resource management domestically and globally. This study finds that up to 26% of global phosphorus fertilizer use is tied to export crops and livestock commodities, suggesting trade partners will need to coordinate to buffer domestic food supplies from phosphorus shortages.

    • Pietro Barbieri
    • Graham K. MacDonald
    • Thomas Nesme
    Research
    Nature Sustainability
    Volume: 5, P: 114-122

  • This study identifies the flows of physical and virtual nutrients (N and P) within the global agricultural trade network by trade tracing, and explores strategies to improve global nutrient use efficiency using the telecoupling framework.

    • Xiuzhi Chen
    • Yue Hou
    • Yunkai Li
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-12

  • The growing global demand for agricultural products from specific regions leads to farming practices that can exacerbate soil-phosphorus depletion, with consequences for long-term food security. This study quantifies the contribution of trade to global soil-phosphorus deficits from 1970 to 2017.

    • Kunyu Niu
    • Mengyu Li
    • Baojing Gu
    Research
    Nature Sustainability
    Volume: 7, P: 1128-1140

  • The authors simulated the impact of organic farming expansion on soil organic carbon. They found that soil organic carbon stock may be at risk of decline if the complete conversion to organic farming does not involve additional practices such as widespread cover cropping and residue recycling.

    • Ulysse Gaudaré
    • Matthias Kuhnert
    • Thomas Nesme
    Research
    Nature Climate Change
    Volume: 13, P: 719-725

  • Doubling food productivity in smallholder farms — a major goal to achieve global food security, according to the United Nations — may come with additional nutrient needs. A new study reports that some regions will require almost 40% more phosphorus between 2015 and 2030 to meet this objective.

    • Thomas Nesme
    News & Views
    Nature Sustainability
    Volume: 5, P: 11-12

  • The ability of organic agriculture to feed the world population remains contentious. A biophysical optimization model indicates the extent to which nitrogen availability could limit the expansion of organic production systems and what measures could alleviate this limitation.

    • Pietro Barbieri
    • Sylvain Pellerin
    • Thomas Nesme
    Research
    Nature Food
    Volume: 2, P: 363-372

  • An analysis of the interactions between 15 drugs and 25 gut bacterial strains shows that bioaccumulation of drugs within bacterial cells is another mechanism through which gut microorganisms can alter drug availability and efficacy.

    • Martina Klünemann
    • Sergej Andrejev
    • Kiran R. Patil
    Research
    Nature
    Volume: 597, P: 533-538

  • ‘Eating organic’ requires farming differently. Organic agriculture manages crop varieties and rotations to manage pests and nutrients. This study analyses different scenarios of organic conversion, finding that a smaller area worldwide planted with wheat, rice and maize must be offset by more nitrogen-fixing crops, such as beans, alfalfa and clover. Even then, caloric energy would fall by about 27% from current production.

    • Pietro Barbieri
    • Sylvain Pellerin
    • Thomas Nesme
    Research
    Nature Sustainability
    Volume: 2, P: 378-385

  • A systemic approach which considers all stakeholders and combines multiple policy instruments is necessary to reduce global reliance on chemicals in agriculture, according to a review of the agronomic and economic challenges and barriers to existing policies.

    • Thierry Brunelle
    • Raja Chakir
    • Fiona H. M. Tang
    ReviewsOpen Access
    Communications Earth & Environment
    Volume: 5, P: 1-9